docs: def alt_names(names: str) -> Callable[..., Any]:
      """Add alternative names to you custom commands.
  
      `names` is a single string with a space separated list of aliases for the
      decorated command.
      """
      names_split = names.split()
  
      def decorator(func: Callable[..., Any]) -> Callable[..., Any]:
          func.alt_names = names_split  # type: ignore
          return func
      return decorator